Edward Coke Quote
There be three kinds of unhappie men. 1. Qui scit & non docet, Hee that hath knowledge and teacheth not. 2. Qui docet & non vivit, He that teacheth, and liveth not thereafter. 3. Qui nescit, & non interrogat, He that knoweth not, and doth not enquire to understand.
The First Part of the Institutes of the Laws of England, Or, A Commentary Upon Littleton (ed. 1817)